dddd ddes ddps ddss dedd dede deed deef deep dees defe deff defs depe depp deps des- dese desp dess dfds dpsd dsdp dspf dsps dssp edde eddp edds ede- edes edss eede eeee eees eefe eeps eese efes effs epee epes eppp epps epsd epsf epsp epss esdp esds esee eses esfp esfs espe espp esps esse essp fede feds feed fees fefe feff feps fese fess ffee ffff ffps ffss fspf fssf fssp pdes pdfs pdsd pdss ped- pede pedf peds peed peep pees peff pefs pepd pepe peps pese pess pfff pfps ppds pppd pppp ppps ppsf ppss psdp psds psfs pspp psps psse sdds sdef sdep sdes sdps sdsf sdss se-d se-e se-f se-s sede seds seed seef seep sees seff sepd sepe sepp seps sese sess sfpd sfss spde spdf spdp sped spee spef spes spfs sppd sppf spps spsd spse spsp spss ssdd ssdf ssdp ssee ssep sses ssfp sspe sspf ssps sssf ssss